There’s nothing quite like a warm bowl of one-pot lentil soup when you want something comforting, nourishing, and easy to make. This recipe is loaded with tender lentils, classic soup veggies, and a rich, savory broth that tastes like it simmered all day—without the fuss. It’s the kind of cozy meal that works for busy weeknights, lazy Sundays, and everything in between.
One of the best things about lentils is how quickly they cook while still delivering big flavor and hearty texture. In this soup, brown or green lentils hold their shape beautifully, giving you that satisfying bite in every spoonful. Aromatics like onion and garlic build a flavorful base, while tomatoes and warm spices add depth and just the right amount of richness.
This easy lentil soup is also incredibly flexible. Keep it vegetarian with vegetable broth, or use chicken broth for an even deeper flavor. Want it thicker and creamier? Blend a small portion of the soup and stir it back in. Prefer it extra hearty? Add diced potatoes, kale, or even a little sausage if you want a meatier version.
The finishing touch makes all the difference: a squeeze of fresh lemon brightens the entire pot and makes the flavors pop. Serve your one-pot lentil soup with crusty bread, crackers, or a simple salad for a complete meal that’s budget-friendly, meal-prep friendly, and even better the next day.
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One-Pot Lentil Soup
This one-pot lentil soup is thick, comforting, and packed with veggies and warm spices. It’s budget-friendly, meal-prep perfect, and tastes even better the next day.
- Total Time: 50–55 minutes
- Yield: 6 servings (about 1½ cups each) 1x
Ingredients
2 tbsp olive oil
1 medium onion, diced
2 carrots, diced
2 celery ribs, diced
4 cloves garlic, minced
1 tbsp tomato paste
1 tsp ground cumin
1 tsp smoked paprika (optional but great)
1/2 tsp dried thyme (or 1 tsp Italian seasoning)
1/4-1/2 tsp red pepper flakes (optional)
1 1/2 cups dried brown or green lentils, rinsed and picked over
8 cups low-sodium vegetable broth (or chicken broth)
1 (14.5 oz) can diced tomatoes, with juices
1 bay leaf
1 tsp salt (start with 1/2 tsp if broth is salty), plus more to taste
1/4 tsp black pepper
2 cups fresh spinach or kale, chopped (optional)
1-2 tbsp fresh lemon juice (highly recommended)
Optional add-ins: 1 cup diced potato or sweet potato, 1 tsp soy sauce, grated Parmesan for serving, chopped parsley.Instructions
Sauté the base: Heat olive oil in a large pot or Dutch oven over medium heat. Add onion, carrots, and celery. Cook 6–8 minutes, stirring, until softened.
Add aromatics & spices: Stir in garlic and tomato paste; cook 1 minute. Add cumin, paprika, thyme, and red pepper flakes; stir 30 seconds to bloom.
Simmer: Add lentils, broth, diced tomatoes, bay leaf, salt, and pepper. Bring to a boil, then reduce to a gentle simmer.
Cook until tender: Simmer uncovered 30–35 minutes, stirring occasionally, until lentils are tender (but not mushy).
Thicken (optional): For a creamier soup, remove 1–2 cups and blend, or briefly blend the pot with an immersion blender (just a few pulses).
Finish: Stir in spinach/kale until wilted (1–2 minutes). Remove bay leaf. Add lemon juice, then taste and adjust salt/pepper.
Notes
Cooking Tips
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Pick the right lentils: Brown/green lentils hold their shape best. Red lentils cook faster and turn creamy (great if you want a thicker texture).
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Don’t skip the lemon: A squeeze at the end brightens everything and makes the flavors pop.
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Consistency control: Too thick? Add a splash of broth/water. Too thin? Simmer 5–10 minutes longer or blend a portion.
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Flavor boost: Add a Parmesan rind while simmering (remove at the end) or stir in 1 tsp soy sauce for extra depth.
Variations
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Smoky Lentil Soup: Add 1 tsp smoked paprika + ½ tsp chipotle powder, and toss in diced smoked sausage or smoked turkey (if not vegetarian).
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Creamy Coconut Lentil Soup: Replace 1 cup broth with 1 cup canned coconut milk and add 1 tsp curry powder.
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Mediterranean Style: Add 1 tsp oregano, a handful of chopped parsley, and serve with feta and olives.
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Protein-packed: Stir in shredded chicken or top with Greek yogurt for extra protein.
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Extra veggie: Add zucchini, mushrooms, or bell peppers with the carrots/celery.
- Prep Time: 15 minutes
- Cook Time: 35–40 minutes
Nutrition
- Serving Size: 1 serving
- Calories: 240
- Sugar: 6g
- Sodium: 650mg
- Fat: 6g
- Saturated Fat: 1g
- Carbohydrates: 36g
- Fiber: 14g
- Protein: 13g
